Home / 57,954.12-86,765.70-38,172.36

Finding the Fourth Proportional to 57,954.12, 86,765.70 and 38,172.36

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Solution

The fourth proportional to 57,954.12, 86,765.70 and 38,172.36 is: 57,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.12 : 86,765.70 = 38,172.36 : x
  2. Step 2: Convert to fraction form
    57,954.12/86,765.70 = 38,172.36/x
  3. Step 3: Cross multiply
    57,954.12x = 86,765.70 × 38,172.36
  4. Step 4: Simplify right side
    57,954.12x = 3,312,051,536.05
  5. Step 5: Solve for x
    x = 3,312,051,536.05/57,954.12
  6. Step 6: Final answer
    x = 57,149.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.